<template>
  <!-- 头部 -->
  <header class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！</p>
          <p v-if="!userName">
            <span>请</span>
            <router-link to="/login">登录</router-link>
            <router-link to="/register" class="register">免费注册</router-link>
          </p>
          <p v-else>
            <a href="javascript:;">{{userName}}</a>
            <a href="javascript:;" @click="logOut" class="register">退出登录</a>
          </p>
        </div>
        <div class="typeList">
          <router-link to="/center/myorder">我的订单</router-link>
          <router-link to="/shopcart">我的购物车</router-link>
          <a href="###">我的尚品汇</a>
          <a href="###">尚品汇会员</a>
          <a href="###">企业采购</a>
          <a href="###">关注尚品汇</a>
          <a href="###">合作招商</a>
          <a href="###">商家后台</a>
        </div>
      </div>
    </div>
    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <router-link class="logo" title="尚品汇" to="/home" target="_blank">
          <img src="./images/logo.png" alt="">
        </router-link>
      </h1>
      <div class="searchArea">
        <form class="searchForm">
          <input type="text" v-model="keyword" id="autocomplete" class="input-error input-xxlarge" />
          <button @click="goSearch" class="sui-btn btn-xlarge btn-danger" type="button">搜索</button>
        </form>
      </div>
    </div>
  </header>
</template>

<script>
  export default {
    name: "Header",
    data() {
      return {
        //搜索框输入的文字
        keyword: ""
      }
    },
    methods: {
      //搜索按钮,向search路由跳转并且携带参数keyword
      goSearch() {
        if (this.$route.query) {
          let location = {
            name: "search",
            params: {
              keyword: this.keyword || undefined
            }
          }
          location.query = this.$route.query
          this.$router.push(location)
        }
      },
      //退出登录
      async logOut() {
        try {
          //派发action 通知服务器 退出登录
          await this.$store.dispatch("userLogOut")
          //退出完成跳到首页
          this.$router.push("/home")
        } catch (error) {
          console.log(error.message)
        }


      }
    },
    mounted() {
      //接收search组件的消息,清空关键字
      this.$bus.$on("clear", () => {
        this.keyword = ""
      })
    },
    computed: {
      userName() {
        return this.$store.state.user.userInfo.name
      }
    }
  }
</script>

<style lang="less" scoped>
  .header {
    &>.top {
      background-color: #eaeaea;
      height: 30px;
      line-height: 30px;

      .container {
        width: 1200px;
        margin: 0 auto;
        overflow: hidden;

        .loginList {
          float: left;

          p {
            float: left;
            margin-right: 10px;

            .register {
              border-left: 1px solid #b3aeae;
              padding: 0 5px;
              margin-left: 5px;
            }
          }
        }

        .typeList {
          float: right;

          a {
            padding: 0 10px;

            &+a {
              border-left: 1px solid #b3aeae;
            }
          }

        }

      }
    }

    &>.bottom {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;

      .logoArea {
        float: left;

        .logo {
          img {
            width: 175px;
            margin: 25px 45px;
          }
        }
      }

      .searchArea {
        float: right;
        margin-top: 35px;

        .searchForm {
          overflow: hidden;

          input {
            box-sizing: border-box;
            width: 490px;
            height: 32px;
            padding: 0px 4px;
            border: 2px solid #ea4a36;
            float: left;

            &:focus {
              outline: none;
            }
          }

          button {
            height: 32px;
            width: 68px;
            background-color: #ea4a36;
            border: none;
            color: #fff;
            float: left;
            cursor: pointer;

            &:focus {
              outline: none;
            }
          }
        }
      }
    }
  }
</style>